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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Aquarius » 


Altitude: -40.5°   Azimuth: 66.6°   Direction: East-North-East

HR8900 is a giant star in the constellation of Aquarius.

HR8900 visual magnitude is 6.19. Because of its reltive faintness, HR8900 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8900:


HR8900 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -40.5°
Azimuth: 66.6°
Direction: East-North-East

Celestial coordinates and finder chart of HR8900

HR8900 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8900 are provided in the following table:

23h 24m 07s
-18° 41’ 14”

The simplified sky map below shows the position of HR8900 in the sky:

Finder chart HR8900 star
Simplified finder chart for HR8900.

Visibility of HR8900 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR8900 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.7°
Max altitude: 19.8°
Azimuth: 251.3°

Digitized Sky Survey image of HR8900

The image below is a photograph of HR8900 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8900 is 0.149 arcsec per year in Right Ascension and 0.071 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR8900 star
DSS2 image of HR8900. The red arrow shows the motion of HR8900 during the next 1000 years (2.48 arcmin in Right Ascension and 1.18 arcmin in declination);

Distance of HR8900 from the Sun and relative movement

HR8900 is distant 366.70 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

112.49 pc
366.70 ly
-19 km/s
0.149 arcsec/year
0.071 arcsec/year

Spectral properties of HR8900

HR8900 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8900 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8900. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8900